import csv
def MainMenu():
    no = int(input("""
1.  Sign up
2. Login
3. Leaderboards
4. Exit """))
    if no == 1:
        SignUp()
    elif no == 2:
        Login1()
    elif no == 3:
        Leaderboards()
    elif no == 4:
        Exit()


def SignUp():
    username = input("please enter your username")
    password = input("please enter your password")
    csvfile = open("accounts.csv", "a+")
    Line = username + "," + password + "\n"
    csvfile.write(Line)
    csvfile.close()
    print("\nAccount Created!")

def Login1():
    q_username = input("Enter your username")
    q_password = input("Enter your password")
    with open("accounts.csv") as csvfile:
        readCSV = csv.reader(csvfile, delimiter=',')
        for row in readCSV:
            if row[0]==q_username and row[1]==q_password:
                print("Logged in")
                break
        else:
            print("Login Failed, try again")
            Login1()

def Login2():
    print("q")

MainMenu()